@article{JTNB_2008__20_1_125_0,
     author = {Hamidoune, Yahya Ould and Serra, Oriol and Z\'emor, Gilles},
     title = {On some subgroup chains related to {Kneser{\textquoteright}s} theorem},
     journal = {Journal de th\'eorie des nombres de Bordeaux},
     pages = {125--130},
     publisher = {Universit\'e Bordeaux 1},
     volume = {20},
     number = {1},
     year = {2008},
     doi = {10.5802/jtnb.618},
     mrnumber = {2434160},
     zbl = {1197.11016},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/jtnb.618/}
}